ABA ABA Color Theory & Hair Coloring 2

Question 1

What is the function of hydrogen peroxide in a hair color formula?

Accepted Answer

It activates the color and lifts the natural pigment

Answer

Hydrogen peroxide (developer) activates the color agents and opens the cuticle to allow lightening or deposit of new pigment.

Question 2

When would a barber use a 40-volume developer?

Accepted Answer

For maximum lightening with bleach

Answer

40-volume developer provides maximum lift and is typically used with bleach for significant lightening.

Question 3

What complementary color is used to neutralize unwanted orange tones in hair?

Accepted Answer

Blue

Answer

Blue is the complement of orange on the color wheel, so blue-based toners neutralize brassy orange tones.

Question 4

What does 'double process' hair coloring mean?

Accepted Answer

Lightening the hair first, then applying a toner or color in a separate step

Answer

Double process involves lightening the hair in one step and then applying a separate toner or color in a second step.

Question 5

Which hair color type coats the outside of the hair shaft and does not penetrate the cortex?

Accepted Answer

Temporary (rinse) color

Answer

Temporary (rinse) color coats only the cuticle layer and washes out after one or two shampoos without penetrating the cortex.

(ABA) American Barber Association Certified Practice Test